{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "55d1b38b",
   "metadata": {},
   "source": [
    "* 记录时间：2022.10.17/week09"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e7991f26",
   "metadata": {},
   "source": [
    "# 本周知识点\n",
    "\n",
    "> 1.用户输入  \n",
    "> 2.文本的格式化输出"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "10af9a8a",
   "metadata": {},
   "source": [
    "## 1.用户输入\n",
    "* input方法"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "70ee923a",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：doggie\n",
      "密码：20021007\n"
     ]
    }
   ],
   "source": [
    "# 用户登录系统\n",
    "username = input(\"账号：\")\n",
    "password = input(\"密码：\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "a00bcd21",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "doggie\n",
      "20021007\n"
     ]
    }
   ],
   "source": [
    "print(username)\n",
    "print(password)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "e2b3c161",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：doggie\n",
      "密码：20021007\n",
      "登录成功~欢迎doggie\n"
     ]
    }
   ],
   "source": [
    "# 用户登录系统 迭代1 增加判断\n",
    "user01 = \"doggie\"\n",
    "password01 = \"20021007\"\n",
    "\n",
    "\n",
    "username = input(\"账号：\")\n",
    "password = input(\"密码：\")\n",
    "# 情景一：账号密码都正确\n",
    "if user01 == username and password01 == password:\n",
    "    print(\"登录成功~欢迎\"+username)\n",
    "# 情景二：账号不存在或密码不正确\n",
    "else:\n",
    "    print(\"账号不存在或密码不正确！请重新输入\")\n",
    "\n",
    "\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "eb93db82",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：jfoifho\n",
      "密码：ewhfwiue\n",
      "账号不存在或密码不正确！请重新输入！您还有2次尝试的机会\n",
      "账号：bufb\n",
      "密码：hhub\n",
      "账号不存在或密码不正确！请重新输入！您还有1次尝试的机会\n",
      "账号：nowiehf\n",
      "密码：coweuhc\n",
      "账号不存在或密码不正确！请1小时后再来尝试\n"
     ]
    }
   ],
   "source": [
    "# 用户登录系统 迭代2 循环\n",
    "user01 = \"doggie\"\n",
    "password01 = \"20021007\"\n",
    "\n",
    "for i in range(3,0,-1):\n",
    "    username = input(\"账号：\")\n",
    "    password = input(\"密码：\")\n",
    "# 情景一：账号密码都正确\n",
    "    if user01 == username and password01 == password:\n",
    "        print(\"登录成功~欢迎\"+username)\n",
    "        break # 中止循环 \n",
    "# 情景二：账号不存在或密码不正确\n",
    "    else:\n",
    "        if i>1:\n",
    "            print(\"账号不存在或密码不正确！请重新输入！您还有\"+str(i-1)+\"次尝试的机会\")\n",
    "        else:\n",
    "            print(\"账号不存在或密码不正确！请1小时后再来尝试\")\n",
    "    "
   ]
  },
  {
   "cell_type": "markdown",
   "id": "285e13b5",
   "metadata": {},
   "source": [
    "## 2.字符串的格式化输出\n",
    "\n",
    "> 1. 字符串的拼接  \n",
    "> 2. 占位符  \n",
    "> 3. 格式化输出的方法：format()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "78d99c0c",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：doggie\n",
      "地区：佛山\n",
      "工作：新媒体运营经理\n",
      "年龄：22\n",
      "期待薪资：10K/月\n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息）：字符串的拼接\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''-------INFO '''+ name + '''-------\n",
    "地区：'''+ region +'''\n",
    "工作：'''+ job +'''\n",
    "年龄：'''+ age +'''\n",
    "期待薪资：'''+ salary\n",
    "# 很麻烦 很容易出错！"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "3ec89bb0",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "-------INFO doggie-------\n",
      "地区：佛山\n",
      "工作：新媒体运营经理\n",
      "年龄：22\n",
      "期待薪资：10K/月\n"
     ]
    }
   ],
   "source": [
    "print(info)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "c0a77177",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：doggie\n",
      "地区：佛山\n",
      "工作：新媒体运营经理\n",
      "年龄：22\n",
      "期待薪资：10K/月\n",
      "-------INFO doggie -------\n",
      "地区：佛山\n",
      "工作：新媒体运营经理\n",
      "年龄：22\n",
      "期待薪资：10K/月\n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息）：占位符 %s\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''-------INFO %s -------\n",
    "地区：%s\n",
    "工作：%s\n",
    "年龄：%s\n",
    "期待薪资：%s'''%(name,region,job,age,salary)\n",
    "print(info)\n",
    "# 局限性：有序，个数确定，不能乱写"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "142dab28",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：doggie\n",
      "地区：佛山\n",
      "工作：新媒体运营经理\n",
      "年龄：22\n",
      "期待薪资：10K/月\n",
      "-------INFO doggie -------\n",
      "地区：佛山\n",
      "工作：新媒体运营经理\n",
      "年龄：22\n",
      "期待薪资：10K/月\n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息）：format()\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''-------INFO {昵称} -------\n",
    "地区：{地区}\n",
    "工作：{工作职位}\n",
    "年龄：{年龄}\n",
    "期待薪资：{薪资}'''.format(工作职位=job,薪资=salary,昵称=name,地区=region,年龄=age)# 不考虑顺序，只考虑一一对应的关系\n",
    "print(info)\n",
    "# 书写规范，字符串中的 字段 一一对应，不考虑其顺序"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c093b31d",
   "metadata": {},
   "source": [
    "## 课后作业：\n",
    "> 1.第二章P93前所有项目练习（下周讲）  \n",
    "> 2.购物车项目\n",
    ">> 要求：  \n",
    ">> 1、运行程序后，让用户输入支付宝余额，然后打印我们的商品列表给用户。  \n",
    ">> 2、让用户输入商品编号进行商品的购买。  \n",
    ">> 3、用户选择商品后，检查用户的余额是否够，若够则直接扣款，不够则提醒用户。  \n",
    ">> 4、用户可以随时退出购买，推出时打印用户已购买的商品和支付宝余额。  \n",
    "* 网上有很多购物车项目（有已经学了的知识做）"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "73909c54",
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "15b491dc",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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